Zobrazeno 1 - 10
of 76
pro vyhledávání: '"Helmut Heidrich"'
Autor:
Nina Welschoff, Siegfried Waldvogel, Jan Koch, Wolfgang Schade, Helmut Heidrich, Jörg Burgmeier, Peter Lützow, Rozalia Orghici
Publikováno v:
Sensors, Vol 10, Iss 7, Pp 6788-6795 (2010)
A microring resonator sensor device for sensitive detection of the explosive 1,3,5-trinitrotoluene (TNT) is presented. It is based on the combination of a silicon microring resonator and tailored receptor molecules.
Externí odkaz:
https://doaj.org/article/717e87279e93478097d7e72dbdd62105
Publikováno v:
IEEE Journal of Quantum Electronics. 46:306-312
A widely tunable laser source based on double microrings is presented which exhibits tuning range up to 46 nm. Two microrings consisting of active GaInAsP/InP material are vertically coupled with a straight transparent waveguide using full wafer bond
Autor:
Ute Troppenz, I. Stamataki, Spiros Mikroulis, Dimitris Syvridis, Michael Hamacher, Alexandros Kapsalis, Helmut Heidrich
Publikováno v:
Optics Communications. 282:2388-2393
An experimental investigation of the multimode dynamics of 1.55 mu m-InGaAsP/InP microring lasers is demonstrated. Different operation regimes are observed, bidirectional multimode, unidirectional single mode, bidirectional single mode and mode-hoppi
Publikováno v:
ECS Transactions. 16:105-115
Microring resonator devices are important for Wavelength Division Multiplexing (WDM) applications due to their spectral characteristics. Microring resonators vertically coupled to one or two transparent bus waveguides (acting as optical I/O ports) ar
Publikováno v:
Journal of Lightwave Technology. 25:2385-2394
A wavelength selective lateral outcoupler based on multimode photonic-crystal waveguides (WGs) is presented. Its fundamental advantages are a small footprint, an inherently flexible and versatile design, and a natural WG integration. Devices can serv
Publikováno v:
Nanomaterials, Polymers, and Devices: Materials Functionalization and Device Fabrication
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c80351ffc3c272954a4ad4d003ad6590
https://doi.org/10.1002/9781118867204.ch11
https://doi.org/10.1002/9781118867204.ch11
Publikováno v:
Japanese Journal of Applied Physics. 41:1186-1189
A racetrack shaped double ring resonator (DRR) filter is demonstrated with radii of 200 pm. The double ring resonator contains two -3 dB muttimode interference (MMI) couplers for I/O coupling and a - 13 dB codirectional coupler in between the rings,
Publikováno v:
IEEE Photonics Technology Letters. 21:1618-1620
Wavelength conversion using self-pumped cross-gain modulation in a microring laser vertically coupled to a passive waveguide is presented. Successful conversion at 2.5 Gb/s along with a 100-km transmission is demonstrated. Tunable conversion from alm
Autor:
Richard V. Penty, M. Hamacher, Abdeldjalil Bennecer, Helmut Heidrich, Kevin A. Williams, Ian H. White
Publikováno v:
IEEE Photonics Technology Letters
IEEE Photonics Technology Letters, 20(16), 1411-1413. Institute of Electrical and Electronics Engineers
IEEE Photonics Technology Letters, 20(16), 1411-1413. Institute of Electrical and Electronics Engineers
The first demonstration of a directly modulated microring laser array is presented for on-off keyed, wavelength- division- multiplexed fiber-optic data transmission. GaInAsP-InP microring resonators oscillating at separate wavelengths in the 1.5-μm
Publikováno v:
SPIE Proceedings.
The progress in bioanalytics caused a growing demand of innovation in reliable, miniaturized and low cost optical sensor systems based on integrated optical devices. We present a detailed analysis of sensor elements for applications in aqueous soluti